Finding the Fourth Proportional to 404,457, 606,774.04 and 123,996.12

Step by Step Solution

1. Step 1: Write the proportion equation
   404,457 : 606,774.04 = 123,996.12 : x
2. Step 2: Convert to fraction form
   404,457/606,774.04 = 123,996.12/x
3. Step 3: Cross multiply
   404,457x = 606,774.04 × 123,996.12
4. Step 4: Simplify right side
   404,457x = 75,237,626,676.72
5. Step 5: Solve for x
   x = 75,237,626,676.72/404,457
6. Step 6: Final answer
   x = 186,021.32